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	1.	No cover image available No cover image available Barbechos con kudzú: Análisis socioeconómico, adopción e impacto sobre la deforestación en Pucallpa, Perú by Yanggen, David Alegre Orihuela, Julio César Material type: Article; Format: print Language: Spanish In: Agroforestería en las Américas (Costa Rica) Online access: Click here to access online Availability: Items available for reference: CIAT Library: Not For Loan (2). Add to cart (remove)
	2.	No cover image available No cover image available El programa de alternativas a la tumba y quema (ASB) en el Perú : Resultados e implicancias by Cornelius, Jonathan P White, Douglas Yanggen, David Velarde, Sandra J Porro, Roberto Alegre Orihuela, Julio César Ricse, Auberto Timmer, Dagmar W Ugarte, Julio Tomich, Thomas P Material type: Article; Format: print ; Literary form: Not fiction Language: Spanish In: In: Foro: Análisis del impacto del cambio sobre los componentes de los ecosistemas que afectan la calidad de vida de los peruanos, 23 de octubre de 2003, Lima Availability: Items available for reference: CIAT Library: Short Loan (1)Call number: 68031. Add to cart (remove)
	3.	No cover image available No cover image available Los plaguicidas : Impactos en producción, salud y medio ambiente en Carchi, Ecuador by Yanggen, David Crissman, Charles C Espinosa, Patricio (eds.) Material type: Text; Format: print ; Literary form: Not fiction Language: Spanish Publication details: Lima, PE Centro Internacional de la Papa (CIP); Quito, EC: Instituto Nacional Autónomo de Ivestigaciones Agropecuarias (INIAP) 2003 Availability: Items available for loan: CIAT Library (1)Call number: SB 950 .2 .E3 P5. Add to cart (remove)
	4.	No cover image available No cover image available The use of orange-fleshed : Sweetpotato to combat vitamin A deficiency in Uganda: A study o varietal preferences, extension strategies and post-harvest utilization by Yanggen, David Nagujja, Stella Series: Social sciences. Working paper no. 2 Material type: Continuing resource; Format: print Language: English Publication details: Lima, PE International Potato Center (CIP) 2006 Online access: Click here to access online Availability: Items available for reference: CIAT Library: Not For Loan (1)Call number: CIP 000070. Add to cart (remove)

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